Bioresorbable vascular scaffolds: design, clinical trials, and current applications

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In recent years, bioresorbable vascular scaffolds (BVS) have been introduced into clinical practice. The main advantage of BVS is that they overcome the problem of the foreign body in the treated artery. BVS, once placed into narrowed coronary vessels, behave like a conventional drug-eluting stent, but a device that disappears over time can preserve the anatomy and physiology of the treated vessel. The progression of stenosis after stenting has been attributed, at least in part, to inflammation around metallic struts, that, however, disappears gradually when using BVS. BVS have proven to be effective and safe as drug-eluting stents; in fact, the rate of adverse cardiovascular events and scaffold thrombosis in patients is low. The aim of this review article is to provide a comprehensive and updated description of the status of the art on BVS, highlighting the current evidence and future perspectives of this technology.

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